AT THE UNIVERSITY 37 



questions. Reusch (Physics), on the other hand, very easy ones. 

 He is a very nice old fellow and appeared only to wish to make 

 the thing as informal and easy as poss. for us. Fittig, however, 

 put on as grave a face as poss. and shoved in his questions un- 

 mercifully. I had only to reply ' Ich weiss nicht ' (I don't know) 

 once. We had to dress up and put on white kids, and I had to get a 

 ' tile ' especially for the occasion. Then we were sent out after 

 the exam, for about 5 minutes and were then called in and formally 

 told that we had passed." 



This examination had to be followed by the disserta- 

 tion which led to the Ph.D. degree. The title-page of 

 the dissertation, which is in English, is here reproduced : 



INVESTIGATIONS 



ON THE 



TOLUIC AND NITROTOLUIC ACIDS 



INAUGURAL DISSERTATION 



FOR THE ATTAINMENT 

 OF THE 



DEGEEE OF DOCTOR OF NATURAL SCIENCES 



AT THE 



UNIVERSITY OF TtJBINGEN 



UNDER THE PRESIDENCY 

 OF 



DR. RUDOLF FITTIG 



PBOFKSSOB IN ORDINARY OF CHEMISTRY 



PRESENTED 

 BY 



WILLIAM RAMSAY, JUNR. 



OF GLASGOW. 



TUBINGEN 1872 

 PRINTED BY L. R. FEUS. 



On the flyleaf following is the following note, which is 



